1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
|
from creole import *
import unittest
import ffi
class PushTest(unittest.TestCase):
def test_parse_push_reg(self):
p = Program()
p.parse_asm_line("push r5")
b = p()
self.assertEqual(b, b'\x01\xC2\x85\x00')
ins = ffi.parse_line(b)
self.assertEqual(ins[0], Instruction.PUSH.opcode)
self.assertEqual(ins[1][0], (1,5))
def test_parse_push_imm(self):
p = Program()
p.parse_asm_line("push 5")
b = p()
self.assertEqual(b, b'\x01\xC0\x85\x00')
ins = ffi.parse_line(b)
self.assertEqual(ins[0], Instruction.PUSH.opcode)
self.assertEqual(ins[1][0], (0,5))
def test_parse_push_catch_typecheck_push_lab(self):
p = Program()
with self.assertRaises(TypecheckException) as cm:
p.parse_asm_line("push l0")
self.assertEqual(cm.exception.argtype, ArgType.VAL)
self.assertEqual(cm.exception.sarg, 'l0')
self.assertEqual(cm.exception.i, 0)
self.assertEqual(cm.exception.opcode, 1)
def test_parse_push_catch_typecheck_argument_overflow(self):
p = Program()
with self.assertRaises(TypecheckLenException) as cm:
p.parse_asm_line("push r1 r2")
self.assertEqual(cm.exception.opcode, 1)
self.assertEqual(cm.exception.insargs, ["r1", "r2"])
self.assertEqual(cm.exception.argtypelen, 1)
def test_parse_push_catch_typecheck_argument_underflow(self):
p = Program()
with self.assertRaises(TypecheckLenException) as cm:
p.parse_asm_line("push")
self.assertEqual(cm.exception.opcode, 1)
self.assertEqual(cm.exception.insargs, [])
self.assertEqual(cm.exception.argtypelen, 1)
def test_large_reg(self):
p = Program(reglen=0x8000000)
p.parse_asm_line("PUSH r134217727")
b = p()
self.assertEqual(b, b'\x01\xFC\x8f\xbf\xbf\xbf\xbf\x00')
def test_compile_push(self):
p = Program()
p.parse_asm_line("PUSH r0")
p.parse_asm_line("PUSH 6")
ex = ffi.Environment(p())
self.assertEqual(ex.cenv.prgend, 2)
self.assertEqual(ex.cenv.prg[0].opcode, 1)
self.assertEqual(ex.cenv.prg[0].w_flags[0], 1)
self.assertEqual(ex.cenv.prg[0].w_flags[1], 0)
self.assertEqual(ex.cenv.prg[0].w_flags[2], 0)
self.assertEqual(ex.cenv.prg[0].w[0], 0)
self.assertEqual(ex.cenv.prg[0].w[1], 0)
self.assertEqual(ex.cenv.prg[0].w[2], 0)
self.assertEqual(ex.cenv.prg[1].opcode, 1)
self.assertEqual(ex.cenv.prg[1].w_flags[0], 0)
self.assertEqual(ex.cenv.prg[1].w_flags[1], 0)
self.assertEqual(ex.cenv.prg[1].w_flags[2], 0)
self.assertEqual(ex.cenv.prg[1].w[0], 6)
self.assertEqual(ex.cenv.prg[1].w[1], 0)
self.assertEqual(ex.cenv.prg[1].w[2], 0)
def test_push_many(self):
p = Program()
stklen = 40
for n in range(0,stklen):
p.parse_asm_line("PUSH 5")
ex = ffi.Environment(p(), stklen=stklen)
self.assertEqual(ex(), ffi.RunRet.STOP)
for n in range(0,stklen):
self.assertEqual(ex.getstk(n), 5)
def test_push_overflow(self):
p = Program()
stklen = 40
for n in range(0, stklen + 1):
p.parse_asm_line("PUSH 5")
ex = ffi.Environment(p(), stklen=stklen)
self.assertEqual(ex(), ffi.RunRet.STACK_OVERFLOW)
class PopTest(unittest.TestCase):
def test_compile_pop_reg(self):
p = Program()
p.parse_asm_line("pop r9")
b = p()
self.assertEqual(b, b'\x02\xC2\x89\x00')
ex = ffi.Environment(b)
self.assertEqual(ex.cenv.prgend, 1)
self.assertEqual(ex.cenv.prg[0].opcode, 2)
self.assertEqual(ex.cenv.prg[0].w_flags[0], 1)
self.assertEqual(ex.cenv.prg[0].w_flags[1], 0)
self.assertEqual(ex.cenv.prg[0].w_flags[2], 0)
self.assertEqual(ex.cenv.prg[0].w[0], 9)
self.assertEqual(ex.cenv.prg[0].w[1], 0)
self.assertEqual(ex.cenv.prg[0].w[2], 0)
def test_compile_throw_pop_literal(self):
p = Program()
with self.assertRaises(TypecheckException) as cm:
p.parse_asm_line("pop 6")
self.assertEqual(cm.exception.argtype, ArgType.REG)
self.assertEqual(cm.exception.sarg, '6')
self.assertEqual(cm.exception.i, 0)
self.assertEqual(cm.exception.opcode, 2)
def test_compile_throw_pop_label(self):
p = Program()
with self.assertRaises(TypecheckException) as cm:
p.parse_asm_line("pop l9")
self.assertEqual(cm.exception.argtype, ArgType.REG)
self.assertEqual(cm.exception.sarg, 'l9')
self.assertEqual(cm.exception.i, 0)
self.assertEqual(cm.exception.opcode, 2)
def test_compile_throw_argument_overflow(self):
p = Program()
with self.assertRaises(TypecheckLenException) as cm:
p.parse_asm_line("pop r1 r2")
self.assertEqual(cm.exception.opcode, 2)
self.assertEqual(cm.exception.insargs, ["r1", "r2"])
self.assertEqual(cm.exception.argtypelen, 1)
def test_catch_typecheck_argument_underflow(self):
p = Program()
with self.assertRaises(TypecheckLenException) as cm:
p.parse_asm_line("pop")
self.assertEqual(cm.exception.opcode, 2)
self.assertEqual(cm.exception.insargs, [])
def test_pop_underflow(self):
p = Program()
p.parse_asm_line("pop r0")
ex = ffi.Environment(p())
self.assertEqual(ex(), ffi.RunRet.STACK_UNDERFLOW)
def test_pop_underflow_2(self):
p = Program()
p.parse_asm_line("push 5")
p.parse_asm_line("pop r0")
p.parse_asm_line("pop r1")
ex = ffi.Environment(p())
self.assertEqual(ex(), ffi.RunRet.STACK_UNDERFLOW)
class AddTest(unittest.TestCase):
def test_exec_add(self):
p = Program()
p.parse_asm_line("add r0 1 1")
ex = ffi.Environment(p())
self.assertEqual(ex(), ffi.RunRet.STOP)
self.assertEqual(ex.cenv.reg[0], 2)
def test_exec_add_neg(self):
p = Program()
p.parse_asm_line("add r0 10 20")
p.parse_asm_line("add r1 5 0")
p.parse_asm_line("add r1 r0 -40")
ex = ffi.Environment(p())
self.assertEqual(ex(), ffi.RunRet.STOP)
self.assertEqual(ex.getreg(0), 30)
self.assertEqual(ex.getreg(1), -10)
def test_exec_add_throw_imm(self):
p = Program()
with self.assertRaises(TypecheckException) as cm:
p.parse_asm_line("add 5 6 7")
self.assertEqual(cm.exception.argtype, ArgType.REG)
self.assertEqual(cm.exception.sarg, '5')
self.assertEqual(cm.exception.i, 0)
self.assertEqual(cm.exception.opcode, 3)
def test_exec_add_throw_lab_1(self):
p = Program()
with self.assertRaises(TypecheckException) as cm:
p.parse_asm_line("add r0 l6 7")
self.assertEqual(cm.exception.argtype, ArgType.VAL)
self.assertEqual(cm.exception.sarg, 'l6')
self.assertEqual(cm.exception.i, 1)
self.assertEqual(cm.exception.opcode, 3)
def test_exec_add_throw_lab_2(self):
p = Program()
with self.assertRaises(TypecheckException) as cm:
p.parse_asm_line("add r0 12 l24")
self.assertEqual(cm.exception.argtype, ArgType.VAL)
self.assertEqual(cm.exception.sarg, 'l24')
self.assertEqual(cm.exception.i, 2)
self.assertEqual(cm.exception.opcode, 3)
class MulTest(unittest.TestCase):
def test_exec_mul_imm_imm(self):
p = Program()
p.parse_asm_line("mul r0 2 2")
ex = ffi.Environment(p())
self.assertEqual(ex(), ffi.RunRet.STOP)
self.assertEqual(ex.getreg(0), 4)
def test_exec_mul_imm_neg_imm(self):
p = Program()
p.parse_asm_line("mul r0 -5 5")
p.parse_asm_line("mul r1 r0 -5")
ex = ffi.Environment(p())
self.assertEqual(ex(), ffi.RunRet.STOP)
self.assertEqual(ex.getreg(0), -25)
self.assertEqual(ex.getreg(1), 125)
def test_exec_mul_throw_imm(self):
p = Program()
with self.assertRaises(TypecheckException) as cm:
p.parse_asm_line("mul 942 6 7")
self.assertEqual(cm.exception.argtype, ArgType.REG)
self.assertEqual(cm.exception.sarg, '942')
self.assertEqual(cm.exception.i, 0)
self.assertEqual(cm.exception.opcode, 4)
def test_exec_mul_throw_lab_1(self):
p = Program()
with self.assertRaises(TypecheckException) as cm:
p.parse_asm_line("mul r9 l2 1991")
self.assertEqual(cm.exception.argtype, ArgType.VAL)
self.assertEqual(cm.exception.sarg, 'l2')
self.assertEqual(cm.exception.i, 1)
self.assertEqual(cm.exception.opcode, 4)
def test_exec_mul_throw_lab_2(self):
p = Program()
with self.assertRaises(TypecheckException) as cm:
p.parse_asm_line("mul r0 -11 l48")
self.assertEqual(cm.exception.argtype, ArgType.VAL)
self.assertEqual(cm.exception.sarg, 'l48')
self.assertEqual(cm.exception.i, 2)
self.assertEqual(cm.exception.opcode, 4)
class DivTest(unittest.TestCase):
def test_div(self):
p = Program()
p.parse_asm_line("div r0 8 4")
ex = ffi.Environment(p())
self.assertEqual(ex(), ffi.RunRet.STOP)
self.assertEqual(ex.getreg(0), 2)
def test_div_round_down(self):
p = Program()
p.parse_asm_line("div r0 8 10")
ex = ffi.Environment(p())
self.assertEqual(ex(), ffi.RunRet.STOP)
def test_div_by_zero(self):
p = Program()
p.parse_asm_line("div r0 8 0")
ex = ffi.Environment(p())
self.assertEqual(ex(), ffi.RunRet.DIVIDE_BY_ZERO)
def test_sdiv_by_zero(self):
p = Program()
p.parse_asm_line("sdiv r0 8 0")
ex = ffi.Environment(p())
self.assertEqual(ex(), ffi.RunRet.DIVIDE_BY_ZERO)
def test_sdiv_neg(self):
p = Program()
p.parse_asm_line("sdiv r0 16 -4")
p.parse_asm_line("sdiv r1 r0 -4")
ex = ffi.Environment(p())
self.assertEqual(ex(), ffi.RunRet.STOP)
self.assertEqual(ex.getreg(0), -4)
self.assertEqual(ex.getreg(1), 1)
def test_exec_div_throw_imm(self):
p = Program()
with self.assertRaises(TypecheckException) as cm:
p.parse_asm_line("div 5 1 2")
self.assertEqual(cm.exception.argtype, ArgType.REG)
self.assertEqual(cm.exception.sarg, '5')
self.assertEqual(cm.exception.i, 0)
self.assertEqual(cm.exception.opcode, 5)
def test_exec_div_throw_lab_1(self):
p = Program()
with self.assertRaises(TypecheckException) as cm:
p.parse_asm_line("div r0 l123 456")
self.assertEqual(cm.exception.argtype, ArgType.VAL)
self.assertEqual(cm.exception.sarg, 'l123')
self.assertEqual(cm.exception.i, 1)
self.assertEqual(cm.exception.opcode, 5)
def test_exec_div_throw_lab_2(self):
p = Program()
with self.assertRaises(TypecheckException) as cm:
p.parse_asm_line("div r5 1919 l24")
self.assertEqual(cm.exception.argtype, ArgType.VAL)
self.assertEqual(cm.exception.sarg, 'l24')
self.assertEqual(cm.exception.i, 2)
self.assertEqual(cm.exception.opcode, 5)
class LabelTest(unittest.TestCase):
def test_simple_loop(self):
p = Program()
p.parse_lines([
"add r0 10 0",
"add r1 20 0",
"CLB l0",
"add r0 r0 -1",
"add r1 r1 1",
"jl l0 0 r0"
])
ex = ffi.Environment(p())
self.assertEqual(ex(), ffi.RunRet.STOP)
self.assertEqual(ex.getreg(0), 0)
self.assertEqual(ex.getreg(1), 30)
class ProgramTest(unittest.TestCase):
def test_exec_simple_reg(self):
p = Program()
p.parse_asm_line("push 5")
p.parse_asm_line("push 6")
p.parse_asm_line("pop r0")
p.parse_asm_line("pop r1")
ex = ffi.Environment()
self.assertEqual(ex.load(p()), ffi.CompileRet.OK)
self.assertEqual(ex(), ffi.RunRet.STOP)
self.assertEqual(ex.getreg(0), 6)
self.assertEqual(ex.getreg(1), 5)
if __name__ == "__main__":
unittest.main()
|
